package com.chensi.concurrency.zhouyang;

import java.util.List;
import java.util.UUID;
import java.util.concurrent.CopyOnWriteArrayList;

/**
 * 模拟List线程不安全抛异常
 */
public class ArrayListNotSafeDemo {

    public static void main(String[] args) {
        //List<String> list = new ArrayList<>();
        //List<String> list = new Vector<>();
        //List<String> list = Collections.synchronizedList(new ArrayList<>());
        List<String> list = new CopyOnWriteArrayList<>();


        for (int i = 0; i < 10; i++) {
            new Thread(() -> {
                list.add(UUID.randomUUID().toString().substring(0, 8));
                System.out.println(list);
            }, String.valueOf(i)).start();
        }

    }
}
